Answer:
22.5
Step-by-step explanation:
you have to do opposite bedmass to isolate the variable. the opposite of multiplying is division.
<u>(X+2)2</u> <u>=49</u>
2 2
Then do addition as subtraction.
X+2= 24.5
-2 -2
X= 22.5
Answer:
81 hours
Step-by-step explanation:
Let x be the time are needed
45:5 = x:9
5x = 45×9
5x = 405
x = 81
This equation is not correct. Because,
And
The only possible, solution for this equation would be, x=0. Because,
for x=0 :
Step-by-step explanation:
The pair of triangles that are congruent by the SAS criterion is Δ BAC and ΔRQP.hope this helps